Everybody suffers (1).... the common cold at some time or
other. It isn't a serious (2).... but over a billion dollars is
spent on different kinds of cold medicine every year. This
medicine can (3).... the symptoms. That is, it can make you
cough (4).... make our hear less int your nouse (5).... for a
while. Howerver it can't cure your cold. So far, (6).... is no
cure for the common cold and no medicine to prevent it.
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Sinh Học lớp 12
